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Publication numberUSD518920 S1
Publication typeGrant
Application numberUS 29/212,212
Publication dateApr 11, 2006
Filing dateAug 27, 2004
Priority dateAug 27, 2004
Publication number212212, 29212212, US D518920 S1, US D518920S1, US-S1-D518920, USD518920 S1, USD518920S1
InventorsDavid B. Fowler
Original AssigneeFowler David B
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Rigid protective helmet
US D518920 S1
Abstract  available in
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  1. The ornamental design for a rigid protective helmet, as shown and described.

FIG. 1 is a front and right side perspective view of a rigid protective helmet showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom perspective view thereof.

U.S. ClassificationD29/104